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Polycap

Polycap is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Polycap rather than just read about it. In short: Polycap is a specific five-in-one fixed dose combination polypill created by Cadila Pharmaceuticals Limited of Ahmedabad, India that combines moderate levels of five different medications in a single, one-a-day pill aimed at reducing/preventing heart attacks and strokes. Polycap containing three generic blood pressure medications and a statin dramatically reduces the risk of heart-related illness in people with no p…

Key takeaways

  • Polycap belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Polycap to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Polycap from memory before moving on to harder problems.

Reference excerpt

Polycap is a specific five-in-one fixed dose combination polypill created by Cadila Pharmaceuticals Limited of Ahmedabad, India that combines moderate levels of five different medications in a single, one-a-day pill aimed at reducing/preventing heart attacks and strokes. Polycap containing three generic blood pressure medications and a statin dramatically reduces the risk of heart-related illness in people with no prior history of heart problems, according to the results of a recent clinical trial presented at the American Heart Association's Scientific Sessions 2020. This result comes as part of the International Polycap Study (TIPS)-3, a randomized, placebo-controlled trial to test the effectiveness of this fixed-dose combination therapy. The study investigators also examined the impact of aspirin alone and in combination with the polypill. When taken on its own, Polycap reduces by 20% the risk of heart attack, stroke, procedures to reopen clogged arteries and other heart disease, the researchers reported. The Polycap combined with daily low-dose aspirin is even more effective, reducing heart health problems by up to 40%. The study results were published online in The New England Journal of Medicine. Polycap combines 100 milligrams of aspirin, with simvastatin (a generic version of Zocor, the cholesterol-lowering statin; 20 mg) and low doses of three blood pressure medications, beta blocker atenolol (50 mg), ACE inhibitor ramipril (5 mg) and diuretic hydrochlorothiazide (12.5 mg). And despite containing multiple drugs, the pill has a fairly small size which can facilitate swallowing.

The International Polycap Study - 3 (TIPS-3) The International Polycap Study 3 (TIPS-3) was a 2x2x2 factorial design study presented in two parts during the late-breaking clinical trial session. In TIPS-3, investigators randomized 5713 participants across 9 countries to determine if a fixed-dose combination tablet reduced the risk of major cardiovascular outcomes in a primary prevention population. As part of the factorial design, the additional interventions included aspirin alone compared with placebo as well as polypill plus aspirin compared with double placebo. To be included in the study, patients had to be at intermediate risk for myocardial infarction, stroke, and cardiovascular death. The participants’ average age was 64 years. Men 50 years and older and women 55 years and older with an INTERHEART risk score ≥ 10 (or men and women 65 years and older with an INTERHEART risk score ≥ 5) were included in the international study. Roughly 53% of study participants were women. Mean LDL cholesterol level and systolic blood pressure at baseline were 121 mg/dL and 144.5 mm Hg, respectively. For the trial, participants were randomly assigned to one of four groups. They were asked to take one of the following daily: both the polypill and aspirin, the polypill alone, aspirin alone, or only a placebo. The top-enrolling countries were India, the Philippines, Columbia, and Bangladesh; Canada enrolled 131 patients. Medications included in the polypill were atenolol, 100 mg; ramipril, 10 mg; hydrochlorothiazide, 25 mg; and simvastatin, 40 mg. Only 4.4% of those who took the polypill alone had a heart attack, stroke, artery-reopening procedure or died of heart disease, compared to 5.5% who took the placebo. About 4.1% of those who took aspirin alone developed heart-related illness, compared to 4.7% of those with the placebo. Combining a polypill with aspirin provided the best benefits, the study authors said. The polypill/aspirin combination reduced heart problems and deaths by 31%, the researchers discovered. People who continued to take the pill without interruption for about four years saw a 40% reduced risk of heart problems. The trial included a follow-up period of 5 years. During which, participants were monitored for nonfatal myocardial infarctions, nonfatal strokes, heart failure, cardiac arrest, and cardiovascular death. The study was 95% funded by charitable organizations like the Wellcome Trust UK, parent company Cadila Pharmaceuticals and other government agencies.

The Indian Polycap Study (TIPS) A study called The Indian Polycap Study (TIPS) was sponsored by Cadila Pharmaceuticals Limited, (where the drug development program was coordinated by JP Parswani, President, and Dr. Arun Maseeh, Vice-President Medical Affairs), and led by Dr. Salim Yusuf of McMaster University in Hamilton, Ontario, and Dr. Prem Pais of St. John's Medical College in Bangalore, India. The results of the randomized, controlled, double-blind study, reported in March 2009 at an American College of Cardiology conference and published online by The Lancet, documented the outcome of 2,000 individuals with an average age of 54 given the medication, all of whom had at least one heart disease risk factor: diabetes, hypercholesterolemia, hypertension, obesity or smoking. The study was registered with ClinicalTrials.gov, number NCT00443794. During a 12-week treatment period, 400 of the study participants were given Polycap. The remainder were divided into eight groups of 200 who were given either individual components or groups of them. Three of the groups of 200 received only aspirin, simvastatin or thiazide respectively; Three groups received two of the three blood pressure medications; Another received all three blood pressure medications, while the last received all three combined with aspirin. The individuals who were given Polycap saw their blood pressure drop from six to seven points for both their systolic and diastolic levels. These reductions in blood pressure could cut the risk of heart disease by 62% and of stroke by 48% based on the results of other studies that showed risk reductions from cutting blood pressure levels. The combined pill was almost as effective as the individual pills with no increase in side effects. Generic versions of the five components cost $17 per month in the United States as of 2009. Estimates are that the combined dose would sell for far less while offering the psychological benefit of reducing the "pill burden" on patients taking multiple medications. Distribution would require approval by the U.S. Food and Drug Administration and other regulatory bodies worldwide. Details of the polycap data were widely reported in the popular media, including USA Today, The Guardian (UK), BBC, CBS Healthwatch, ABC News, India Today.

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with Polycap

Start with the simplest possible case. Write down what Polycap claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Polycap before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Polycap ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Polycap

In research
Polycap appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Polycap in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Polycap is common in secondary-school and first-year university syllabi. It links to neighbouring topics Combination drugs, Drugs acting on the cardiovascular system, so understanding it makes those chapters shorter.
In everyday life
Look for Polycap outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Polycap in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Polycap means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Polycap out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Polycap in simple terms?

Polycap is a specific five-in-one fixed dose combination polypill created by Cadila Pharmaceuticals Limited of Ahmedabad, India that combines moderate levels of five different medications in a single, one-a-day pill aimed at reducing/preventing heart attacks and strokes. Polycap containing three ge…

Why does Polycap matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Polycap?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Polycap.

Tags

  • Combination drugs
  • Drugs acting on the cardiovascular system

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